Chevrolet Low Cab Forward 4500 2019 Series Owner's Manual page 300

Model
Gear ratio
2nd 2.364 to 1
Reverse
Transmission oil capacity
Axle weight rating : Front
Engine oil capacity
Transmission Specifications
6L90
Six-speed automatic transmission (overdrive gear for 5th and 6th), lock-up clutch for
2nd to 6th
1st 4.027 to 1
3rd 1.532 to 1
4th 1.152 to 1
5th 0.852 to 1
6th 0.667 to 1
3.064 to 1
12.17 L (25.72 pt)
Engine Oil Service
Weights
3500: 2204 kg (4,860 lb)
4500: 3007 kg (6,630 lb)
When changing oil and filter: 5.7 L (6.0 qt)
Technical Data 299
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